56 lines
2.1 KiB
Ruby
56 lines
2.1 KiB
Ruby
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# frozen_string_literal: true
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# Copyright (c) 2011-present GitLab B.V.
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in all
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# copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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if defined?(RuboCop)
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module RuboCop
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module Cop
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module DS
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# Cop that checks if `add_concurrent_index` is used with `up`/`down` methods
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# and not `change`.
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class AddConcurrentIndex < Cop
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MSG = '`add_concurrent_index` is not reversible so you must manually define ' \
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'the `up` and `down` methods in your migration class, using `remove_index` in `down`'
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def on_send(node)
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dirname = File.dirname(node.location.expression.source_buffer.name)
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return unless dirname.end_with?('db/migrate')
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name = node.children[1]
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return unless name == :add_concurrent_index
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node.each_ancestor(:def) do |def_node|
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next unless method_name(def_node) == :change
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add_offense(def_node, location: :name)
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end
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end
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def method_name(node)
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node.children.first
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end
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end
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end
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end
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end
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end
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